參數(shù)資料
型號(hào)： LTC2410CGN
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： 20-Bit Universal Bus Driver With 3-State Outputs 56-SSOP -40 to 85
中文描述： 1-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
封裝： 0.150 INCH, PLASTIC, SSOP-16
文件頁(yè)數(shù)： 31/44頁(yè)
文件大?。?/td> 778K
代理商： LTC2410CGN
LTC2410
31
APPLICATIU
W
U
U
SYNCHRONIZATION OF MULTIPLE LTC2410s
Since the LTC2410’s absolute accuracy (total unadjusted
error) is 5ppm, applications utilizing multiple synchro-
nized ADCs are possible.
Simultaneous Sampling with Two LTC2410s
One such application is synchronizing multiple LTC2410s,
see Figure 44. The start of conversion is synchronized to
the rising edge of CS. In order to synchronize multiple
LTC2410s, CS is a common input to all the ADCs.
To prevent the converters from autostarting a new con-
version at the end of data output read, 31 or fewer SCK
clock signals are applied to the LTC2410 instead of 32 (the
32nd falling edge would start a conversion). The exact
timing and frequency for the SCK signal is not critical
since it is only shifting out the data. In this case, two
LTC2410’s simultaneously start and end their conversion
cycles under the external control of CS.
Increasing the Output Rate Using Mulitple LTC2410s
A second application uses multiple LTC2410s to increase
the effective output rate by 4
×
, see Figure 45. In this case,
four LTC2410s are interleaved under the control of sepa-
rate CS signals. This increases the effective output rate
from 7.5Hz to 30Hz (up to a maximum of 60Hz). Addition-
ally, the one-shot output spectrum is unfolded allowing
further digital signal processing of the conversion results.
SCK and SDO may be common to all four LTC2410s. The
four CS rising edges equally divide one LTC2410 conver-
sion cycle (7.5Hz for 60Hz notch frequency). In order to
synchronize the start of conversion to CS, 31 or less SCK
clock pulses must be applied to each ADC.
Both the synchronous and 4
×
output rate applications use
the external serial clock and single cycle operation with
reduced data output length (see Serial Interface Timing
Modes section and Figure 6). An external oscillator clock
is applied commonly to the F
O
pin of each LTC2410 in
order to synchronize the sampling times. Both circuits
may be extended to include more LTC2410s.
Figure 44. Synchronous Conversion—Extendable
31 OR LESS CLOCK CYCLES
CS
SCK1
SCK2
2410 F44
SDO1
SDO2
31 OR LESS CLOCK CYCLES
LTC2410
#1
V
CC
REF
+
REF
–
IN
+
IN
–
GND
F
O
SCK
SDO
CS
SCK2
SCK1
CS
SDO1
SDO2
LTC2410
#2
V
CC
REF
+
REF
–
IN
+
IN
–
GND
F
O
SCK
SDO
CS
μ
CONTROLLER
EXTERNAL OSCILLATOR
(153,600HZ)
V
REF
+
V
REF
–
相關(guān)PDF資料
PDF描述
LTC2410IGN 24-Bit No Latency ADC with Differential Input and Differential Reference
LTC2410 20-Bit Universal Bus Driver With 3-State Outputs 56-SSOP -40 to 85
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LTC2410I 20-Bit Universal Bus Driver With 3-State Outputs 56-SSOP -40 to 85
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC2410CGN#PBF 功能描述:IC ADC 24BIT DIFF INP/REF 16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
LTC2410CGN#PBF 制造商:Linear Technology 功能描述:A/D Converter (A-D) IC
LTC2410CGN#TR 功能描述:IC ADC 24BIT DIFF INP/REF 16SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC2410CGN#TRPBF 功能描述:IC ADC 24BIT DIFF INP/REF 16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC2410CGNPBF 制造商:Linear Technology 功能描述:ADC,LTC2410C 24bit diff D-S SPI SSOP
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